Free
Paid
Raspberry Pi B 3D Printable Models
Raspberry pi 7″ Display Stand_FULL assembly V2.0
thingiverse.com
Rack for Raspberry PI B on a modular system 19″ 2U
thingiverse.com
6″ Rack, Raspberry Pi 3 Model B
thingiverse.com
“Neurobot 1” – Arduino, Raspberry Pi, Linux and ROS educational robotics kit
thingiverse.com
Rack mount Raspberry Pi Sleeve (2/B+)
thingiverse.com
Rack Mountable Raspberry Pi B+ Case
thingiverse.com